cumulative remainder
accumulate, involvement, trouble, tie up, continually
ルイ / —
volume, product (x*y), acreage, contents, pile up, stack, load, amass
セキ / つ.む
distinction, difference, variation, discrepancy, margin, balance
サ / さ.す
ratio, rate, proportion, %, factor, lead, spearhead, command
ソツ / ひき.いる